---
id: "CVE-2026-124684"
page: "https://infrastack.ai/live/CVE-2026-124684"
kind: "vulnerability"
aliases: ["CVE-2026-124684"]
title: "Escargot JavaScript engine: use-after-free lets attackers manipulate pointers"
severity: "medium"
cvss: 5.1
epss: null
exploited: false
status: "open"
category: "runtime"
products: [{"name": "Escargot", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["escargot", "javascript-engine", "runtime", "samsung"]
not_affected_if: ["does-not-embed-escargot"]
published_at: "2026-11-09T12:16:38+00:00"
first_seen_at: "2026-11-09T12:26:23+00:00"
updated_at: "2026-11-09T12:27:26+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-124684", "first_seen_at": "2026-11-09T12:26:23+00:00"}]
exploit_sources: []
---

# Escargot JavaScript engine: use-after-free lets attackers manipulate pointers

Link for people: https://infrastack.ai/live/CVE-2026-124684 (this .md is for agents)

Samsung's Open Source Escargot JavaScript engine has a use-after-free bug, where memory is read after it has been released. The sources say it allows pointer manipulation, which can lead to memory corruption.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Escargot affected range not listed fixed no fixed version listed

## How to check

- Check whether the Escargot build in use predates commit `8bc35b7b88f0f96c66a42aa965a1a710308b61d5`

## Fix

- Escargot: move to a build at or after commit `8bc35b7b88f0f96c66a42aa965a1a710308b61d5`

## Timeline

- 2026-11-09T12:26:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-124684

## Documents

- [fix] Patch: github.com https://github.com/Samsung/escargot/commit/8bc35b7b88f0f96c66a42aa965a1a710308b61d5

## From the sources

Use after free vulnerability in Samsung Open Source Escargot allows Pointer Manipulation.

This issue affects Escargot: before 8bc35b7b88f0f96c66a42aa965a1a710308b61d5.

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